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Finding the Fourth Proportional to 29,564.88, 40,800.83 and 16,648.59

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Solution

The fourth proportional to 29,564.88, 40,800.83 and 16,648.59 is: 22,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,564.88 : 40,800.83 = 16,648.59 : x
  2. Step 2: Convert to fraction form
    29,564.88/40,800.83 = 16,648.59/x
  3. Step 3: Cross multiply
    29,564.88x = 40,800.83 × 16,648.59
  4. Step 4: Simplify right side
    29,564.88x = 679,276,290.33
  5. Step 5: Solve for x
    x = 679,276,290.33/29,564.88
  6. Step 6: Final answer
    x = 22,975.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.